当务之急top priority job;matter of vital importance

得不偿失(saying) the gains do not make up for the losses

得天独厚(of an area) rich in resources;(of a person) gifted or able

得意忘形carried away;beside oneself with joy

地大物博vast territory with abundant resources

丢三落四to be forgetful;scatterbrained

动人心弦touching

东山再起come back (lit. to return to office after living as a hermit on Mount Dongshan)

东施效颦ludicrous attempt to imitate

东张西望to look in all directions;to glance around